Polar M400 vs. Michael Kors Grayson vs. Garmin Instinct vs. Michael Kors Grayson vs. Skagen Falster 3 vs. Apple Series 6

 
M400
Grayson
Instinct
Grayson
Falster 3
Series 6
 PolarM400Remove Buy NowMichael KorsGraysonRemove Buy NowGarminInstinctRemove Buy NowMichael KorsGraysonRemove Buy NowSkagenFalster 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$200$350$300$350$295$399
Release201420182018201820202020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days24 hours14 days24 hours1 dayNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454128 x 128453x454416 x 416384 x 480
Sizen/a1.39 inches0.9 inches1.39 inches1.28 inches40mm
Touch
Typen/aAMOLEDOMOLEDAMOLEDOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance3 ATM1 ATM10 ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearWear OSWatchOS 5
Apps
Music

All Wearables